*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
.container{
    width: 1200px;
    margin: auto;
}
.aaa{
    margin-top: 50px;
    margin-bottom: 40px;
}
h2{
    color: red;
    border-bottom: 1px solid red;
    display: inline-block;
    padding-bottom: 10px;
    /*margin-top: 30px;*/
    /**/
    /*text-decoration: underline;下划线*/
}
/*第一部分*/
.navigation::after,
.orange::after{
    content: '';
    clear: both;
    display: block;
}
.container:nth-of-type(2) .navigation{
    border-top:1px solid #ccc;
}
.navigation{
    background: #f3f3f3;
}
.navigation .col-1{
    width: 10%;
    float: left;
    padding: 10px 0 10px 10px;
}
.navigation .col-5{
    width: 50%;
    float: left;
    padding: 10px 0 10px 10px;
}
/*结束*/
/*第二部分*/
.orange{
    background: #fef4e8;
    border-bottom: 1px solid #cccccc;
    border-left: 1px solid #cccccc;
    border-right: 1px solid #cccccc;
}
.col-5{
    font-size:14px;
    color: #a7a7a7;
    display: inline-block;
}
.col-5 p .a{
    background: #000;
    color: #cccccc;
    border: 1px solid #000000;
    padding: 2px;
    font-size:12px;
}
.txt{
    display: inline-block;
    font-size:0;
    cursor: pointer;
    margin-bottom: 10px;
}
.col-5 .txt:hover .a{
    background: #ebca31;
    color: #000000;
}
.col-5 .txt:hover .b{
    background: #000;
    color: #ffffff;
}
.col-5 p .b{
    background: #ebca31;
    color: #000;
    border: 1px solid #000000;
    padding: 2px;
    font-size:12px;
    margin-right: 5px;
}
.col-5 p .c{
    font-size:12px;
}
.d{
    position: relative;
    font-size:12px;
    top: 4px;
    left: -2px;
}
.c{
    color: darkgreen;
    font-size:12px;
    padding: 2px;
    border: 1px solid #000000;
    cursor: pointer;
}
.number{
    width: 50%;

}
input{
    text-align: center;
}
.box1{
    font-size:14px;
    color: #a7a7a7;
    margin-left: 15px;
}
h4{
    color:#000;
    font-size:14px;
}
.box2{
    font-size:12px;
    margin-left: 12px;
    color: #a7a7a7;
}
.box3{
    color: #a7a7a7;
    font-size: 14px;
    cursor: pointer;
    /*text-align: center;*/
}
/*底部*/
.dibi{
    margin-top: 20px;
    border: 1px solid #cccccc;
    padding-top: 20px;
    padding-bottom: 20px;
    padding-right: 80px;
}
.dibi p{
    float: right;
    color: red;
    font-weight:800;
}
.dibi span{
    color: #cccccc;
}

